Band edge amplitude reduction system and method

Details Band edge amplitude reduction system and method Band edge amplitude reduction system and method

2007-02-20

2007-02-20

D'Agosta, Steve M. (Department: 2617)

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

C455S227000, C455S266000, C455S283000, C455S286000, C455S303000, C455S306000, C455S339000, C455S180100, C455S188100, C375S346000, C375S349000, C375S350000

Reexamination Certificate

active

09643647

ABSTRACT:
A band edge amplitude reduction system changes the filtering characteristics of a receiver based on the amplitude of signal(s) adjacent to an edge of the operating band of the receiver and/or of signals not under the power control of the receiver. For example, the receiver measures the power level over a bandwidth at the band edges of the operating band of the receiver. If the signals adjacent to the operating band are strong enough relative to the signal power within the operating band, overload protection circuitry changes the filtering characteristics of the receiver to improve the attenuation of the signal(s) from the adjacent band(s). In certain embodiments, the overload protection circuitry switches in filter(s) with a narrower bandwidth to attenuate the signal(s) from adjacent band(s) at the edge(s) of the operating band of the receiver, thereby preventing interference with or the overload of the receiver by signals from outside the operating band and/or not under the power control of the receiver.

REFERENCES:
patent: 5097221 (1992-03-01), Miller
patent: 5303413 (1994-04-01), Braegas
patent: 5307515 (1994-04-01), Kuo et al.
patent: 5317289 (1994-05-01), Konishi et al.
patent: 5339455 (1994-08-01), Vogt et al.
patent: 5493717 (1996-02-01), Schwarz
patent: 5603110 (1997-02-01), Heinzmann
patent: 5758296 (1998-05-01), Nakamura
patent: 6178211 (2001-01-01), Whikehart et al.
patent: 6178314 (2001-01-01), Whikehart et al.
patent: 6501944 (2002-12-01), Szydlowski et al.
patent: 0410663 (1991-01-01), None
patent: 0715417 (1996-06-01), None
patent: 2000-78039 (2000-03-01), None

Affiliated with

Also associated with

Rating

Band edge amplitude reduction system and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Band edge amplitude reduction system and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Band edge amplitude reduction system and method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3826304